Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 1.86
Milk (kg) -92.00 -0.014 1.29
Fat (kg) 0.83 -0.375 -0.31
Prot (kg) -2.00 -0.441 0.88
Fertility Sub Index -5.56
Calving Interval (days) 2.64 -1.459 -3.85
Survival (%) -1.53 1.117 -1.71
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.04
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) -0.16 -0.432 0.07
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index -3.07

* Based on an €80/tonne carbon price